Parabolic boundary-value problems of mathematical physics for a piecewise homogeneous wedge-shaped cylindrically circular layer. Neliniini Kolyvannya, [S. l.], v. 24, n. 4, p. 460–472, 2021. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/1045. Acesso em: 21 jan. 2026.